Home / 6,739.32-10,104.62-2,789.51

Finding the Fourth Proportional to 6,739.32, 10,104.62 and 2,789.51

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Solution

The fourth proportional to 6,739.32, 10,104.62 and 2,789.51 is: 4,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.32 : 10,104.62 = 2,789.51 : x
  2. Step 2: Convert to fraction form
    6,739.32/10,104.62 = 2,789.51/x
  3. Step 3: Cross multiply
    6,739.32x = 10,104.62 × 2,789.51
  4. Step 4: Simplify right side
    6,739.32x = 28,186,874.07
  5. Step 5: Solve for x
    x = 28,186,874.07/6,739.32
  6. Step 6: Final answer
    x = 4,182.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.